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Citation: Jie Liu, Guojun Lan, Yiyang Qiu, Xiaolong Wang, Ying Li. Wheat flour-derived N-doped mesoporous carbon extrudes as an efficient support for Au catalyst in acetylene hydrochlorination[J]. Chinese Journal of Catalysis, ;2018, 39(10): 1664-1671. doi: 10.1016/S1872-2067(18)63109-2 shu

Wheat flour-derived N-doped mesoporous carbon extrudes as an efficient support for Au catalyst in acetylene hydrochlorination

Institute of Industrial Catalysis, Zhejiang University of Technology, Hangzhou 310032, Zhejiang, China

Received Date: 6 April 2018
Revised Date: 19 May 2018

Fund Project: This work was supported by Zhejiang Provincial Natural Science Foundation of China (LY17B030010).

We recently reported an N-doped mesoporous carbon (N-MC) extrudate, with major quaternary N species, prepared by a cheap and convenient method through direct carbonization of wheat flour with silica, which has excellent catalytic performance in acetylene hydrochlorination. Herein, we examined the activity of Au supported on N-MC (Au/N-MC) and compared it with that of Ausupported on nitrogen-free mesoporous carbon (Au/MC). The acetylene conversion of Au/N-MC was 50% at 180℃ with an acetylene space velocity of 600 h^-1 and V_HCl/V_C2H2 of 1.1, which was double the activity of Au/MC (25%). The introduced nitrogen atoms acted as anchor sites that stabilized the Au³⁺ species and inhibited the reduction of Au³⁺ to Au⁰ during the preparation of Au/N-MC catalysts.
- Au catalyst,
- Mercury free catalyst,
- Acetylene hydrochlorination,
- N doped mesoporous carbon
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